3-YEAR EARTHQUAKE TEST on TRADITIONAL STYLE JAPANESE HOMES

Japan is a country that frequently experiences earthquakes which puts buildings and people's safety at risk. This fact has led researchers to make creating homes and buildings that are resistant to earthquake damage a major priority.

In this video, you will see how researchers conducted a 3-year investigation to see how houses built with traditional Japanese building methods would hold up in a large earthquake.

[Modern "hard" vs. Traditional "rubber" building concept]
Modern homes are typically built with a slab-on-grade foundation whereby the framing is secured to the concrete foundation by anchor bolts. In contrast, traditional Japanese homes use a stone foundation whereby the wood-framed base simply rests unattached to a stone foundation.

*Aspects of Traditional Japanese style building include the following:
1. STONE FOUNDATION "Soseki kiso そせ基礎"
(Each wood post is cut to match the curvature of and rests unattached to a single large stone, which allows the foundation to work in a similar fashion to a car's suspension system with each post able to move up and down independently.)

2. MUD, STRAW AND BAMBOO WALLS "Tsuchi kabe 土壁"
(Japanese traditional home walls were made with an interwoven bamboo interior frame covered with layers of straw and mud. This combination created walls that were strong, flexible, and well-insulated.)

3. WOOD-ON-WOOD JOINERY "Tsugite & Shiguchi 継手、仕口
(Japanese traditional buildings use wood-on-wood joinery without metal hardware. This also allows for the structure to give and flex when under stress.)

These 3 structural elements in combination allow homes and buildings built in the traditional style of Japanese building to flex like rubber during natural disasters such as typhoons and earthquakes.

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[geoleo]

This is awesome. I’d trust Japanese earthquake engineers over any other engineers in the world. If they can build an earthquake-proof structure than I’d definitely feel comfortable buying and living in that home

Are there more recent developments and videos? This is already 3 years old

[jessicag]

Is there any application of this research that can be applied to a common two or three-story houses made of bricks and concrete?

[michelecampanelli]

Complimenti per questo bellissimo video 👍👏

[IVLIVSAVGVSTVSGERMANICVS]

You should use Wood More strenght AND resistent.

[REAL-UNKNOWN-SHINOBI]

I know this is not normal in Japan but I would really love to see that test but instead of earthquakea, it's wind very high wind like an EF5 tornado speed winds or wind speed.
Even though those types of tests basically essentially useless in Japan since really only Japan gets I think typhoons, tsunamis and earthquakes only.
Even though there is sometimes Japan does get tornadoes but very small and weak.

Edit. Had to make some corrections from 13 days ago and lost my liked comment, makes me sad.